[Tizen] Use dummy AT-SPI bridge in the absence of a DBus session

This reverts commit 797d7797426751202eb1cf4a6303ba195666b30e.

diff --git a/dali/internal/accessibility/bridge/bridge-impl.cpp b/dali/internal/accessibility/bridge/bridge-impl.cpp
index f76a9b4..b7b026f 100644 (file)
--- a/dali/internal/accessibility/bridge/bridge-impl.cpp
+++ b/dali/internal/accessibility/bridge/bridge-impl.cpp
@@ -31,6 +31,7 @@
 #include <dali/internal/accessibility/bridge/bridge-object.h>
 #include <dali/internal/accessibility/bridge/bridge-text.h>
 #include <dali/internal/accessibility/bridge/bridge-value.h>
+#include <dali/internal/accessibility/bridge/dummy-atspi.h>
 
 using namespace Dali::Accessibility;
 
@@ -316,8 +317,21 @@ public:
   }
 };
 
+static Bridge* CreateBridge()
+{
+  try
+  {
+    return new BridgeImpl;
+  }
+  catch (const std::exception&)
+  {
+    DALI_LOG_ERROR("Failed to initialize AT-SPI bridge");
+    return Dali::Accessibility::DummyBridge::GetInstance();
+  }
+}
+
 Bridge* Bridge::GetCurrentBridge()
 {
-  static BridgeImpl* bridge = new BridgeImpl;
+  static Bridge* bridge = CreateBridge();
   return bridge;
 }

diff --git a/dali/internal/accessibility/bridge/dummy-atspi.cpp b/dali/internal/accessibility/bridge/dummy-atspi.cpp
index 695cb9d..8eec6b8 100644 (file)
--- a/dali/internal/accessibility/bridge/dummy-atspi.cpp
+++ b/dali/internal/accessibility/bridge/dummy-atspi.cpp
@@ -17,133 +17,10 @@
 
 #include <dali/devel-api/adaptor-framework/accessibility-impl.h>
 #include <dali/devel-api/adaptor-framework/accessibility.h>
+#include <dali/internal/accessibility/bridge/dummy-atspi.h>
 
 namespace Dali
 {
-namespace
-{
-struct DummyBridge : Dali::Accessibility::Bridge
-{
-  const std::string& GetBusName() const override
-  {
-    static const std::string name = "";
-    return name;
-  }
-
-  void AddTopLevelWindow(Accessibility::Accessible*) override
-  {
-  }
-
-  void RemoveTopLevelWindow(Accessibility::Accessible*) override
-  {
-  }
-
-  void AddPopup(Accessibility::Accessible*) override
-  {
-  }
-
-  void RemovePopup(Accessibility::Accessible*) override
-  {
-  }
-
-  void SetApplicationName(std::string) override
-  {
-  }
-
-  Accessibility::Accessible* GetApplication() const override
-  {
-    return nullptr;
-  }
-
-  Accessibility::Accessible* FindByPath(const std::string& s) const override
-  {
-    return nullptr;
-  }
-
-  void ApplicationShown() override
-  {
-  }
-
-  void ApplicationHidden() override
-  {
-  }
-
-  void Initialize() override
-  {
-  }
-
-  void Terminate() override
-  {
-  }
-
-  ForceUpResult ForceUp() override
-  {
-    return ForceUpResult::JUST_STARTED;
-  }
-
-  void ForceDown() override
-  {
-  }
-
-  void EmitCaretMoved(Accessibility::Accessible* obj, unsigned int cursorPosition) override
-  {
-  }
-
-  void EmitActiveDescendantChanged(Accessibility::Accessible* obj, Accessibility::Accessible* child) override
-  {
-  }
-
-  void EmitTextChanged(Accessibility::Accessible* obj, Accessibility::TextChangedState state, unsigned int position, unsigned int length, const std::string& content) override
-  {
-  }
-
-  void EmitStateChanged(Accessibility::Accessible* obj, Accessibility::State state, int val1, int val2) override
-  {
-  }
-
-  void Emit(Accessibility::Accessible* obj, Accessibility::WindowEvent we, unsigned int detail1) override
-  {
-  }
-
-  void Emit(Accessibility::Accessible* obj, Accessibility::ObjectPropertyChangeEvent event) override
-  {
-  }
-
-  void EmitBoundsChanged(Accessibility::Accessible* obj, Rect<> rect) override
-  {
-  }
-
-  Accessibility::Consumed Emit(Accessibility::KeyEventType type, unsigned int keyCode, const std::string& keyName, unsigned int timeStamp, bool isText) override
-  {
-    return Accessibility::Consumed::YES;
-  }
-
-  void Say(const std::string& text, bool discardable, std::function<void(std::string)> callback) override
-  {
-  }
-
-  void Pause() override
-  {
-  }
-
-  void Resume() override
-  {
-  }
-
-  bool GetScreenReaderEnabled() override
-  {
-    return false;
-  }
-
-  bool GetIsEnabled() override
-  {
-    return false;
-  }
-};
-
-DummyBridge dummyBridge;
-
-} // namespace
 
 Accessibility::Accessible::Accessible()
 {
@@ -195,7 +72,7 @@ Accessibility::Accessible* Accessibility::Component::GetAccessibleAtPoint(Access
 
 Accessibility::Bridge* Accessibility::Bridge::GetCurrentBridge()
 {
-  return &dummyBridge;
+  return Accessibility::DummyBridge::GetInstance();
 }
 
 void Accessibility::Accessible::EmitStateChanged(Accessibility::State state, int newValue1, int newValue2)

diff --git a/dali/internal/accessibility/bridge/dummy-atspi.h b/dali/internal/accessibility/bridge/dummy-atspi.h
new file mode 100644 (file)
index 0000000..02b1d25
--- /dev/null
+++ b/dali/internal/accessibility/bridge/dummy-atspi.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <dali/devel-api/adaptor-framework/accessibility-impl.h>
+#include <dali/devel-api/adaptor-framework/accessibility.h>
+
+namespace Dali::Accessibility
+{
+
+struct DummyBridge : Dali::Accessibility::Bridge
+{
+  static DummyBridge *GetInstance()
+  {
+    static DummyBridge instance;
+
+    return &instance;
+  }
+
+  const std::string& GetBusName() const override
+  {
+    static const std::string name = "";
+    return name;
+  }
+
+  void AddTopLevelWindow(Accessibility::Accessible*) override
+  {
+  }
+
+  void RemoveTopLevelWindow(Accessibility::Accessible*) override
+  {
+  }
+
+  void AddPopup(Accessibility::Accessible*) override
+  {
+  }
+
+  void RemovePopup(Accessibility::Accessible*) override
+  {
+  }
+
+  void SetApplicationName(std::string) override
+  {
+  }
+
+  Accessibility::Accessible* GetApplication() const override
+  {
+    return nullptr;
+  }
+
+  Accessibility::Accessible* FindByPath(const std::string& s) const override
+  {
+    return nullptr;
+  }
+
+  void ApplicationShown() override
+  {
+  }
+
+  void ApplicationHidden() override
+  {
+  }
+
+  void Initialize() override
+  {
+  }
+
+  void Terminate() override
+  {
+  }
+
+  ForceUpResult ForceUp() override
+  {
+    return ForceUpResult::JUST_STARTED;
+  }
+
+  void ForceDown() override
+  {
+  }
+
+  void EmitCaretMoved(Accessibility::Accessible* obj, unsigned int cursorPosition) override
+  {
+  }
+
+  void EmitActiveDescendantChanged(Accessibility::Accessible* obj, Accessibility::Accessible* child) override
+  {
+  }
+
+  void EmitTextChanged(Accessibility::Accessible* obj, Accessibility::TextChangedState state, unsigned int position, unsigned int length, const std::string& content) override
+  {
+  }
+
+  void EmitStateChanged(Accessibility::Accessible* obj, Accessibility::State state, int val1, int val2) override
+  {
+  }
+
+  void Emit(Accessibility::Accessible* obj, Accessibility::WindowEvent we, unsigned int detail1) override
+  {
+  }
+
+  void Emit(Accessibility::Accessible* obj, Accessibility::ObjectPropertyChangeEvent event) override
+  {
+  }
+
+  void EmitBoundsChanged(Accessibility::Accessible* obj, Rect<> rect) override
+  {
+  }
+
+  Accessibility::Consumed Emit(Accessibility::KeyEventType type, unsigned int keyCode, const std::string& keyName, unsigned int timeStamp, bool isText) override
+  {
+    return Accessibility::Consumed::YES;
+  }
+
+  void Say(const std::string& text, bool discardable, std::function<void(std::string)> callback) override
+  {
+  }
+
+  void Pause() override
+  {
+  }
+
+  void Resume() override
+  {
+  }
+
+  bool GetScreenReaderEnabled() override
+  {
+    return false;
+  }
+
+  bool GetIsEnabled() override
+  {
+    return false;
+  }
+};
+
+} // namespace Dali::Accessibility